πagarwalmath · 1st grade · Common Core 1.OA.B.3
🔄 Turn-around and make-ten
Use properties (3 + 8 = 8 + 3; make a ten first)
Name: ______________________Date: ____________
13 + 9 + 7 = 9 + ?
Answer: ______________
24 + 7 + 6 = 7 + ?
Answer: ______________
36 + 9 + 4 = 9 + ?
Answer: ______________
43 + 2 + 7 = 2 + ?
Answer: ______________
51 + 9 + 7 = ?
Answer: ______________
68 + 4 = 4 + ?
Answer: ______________
73 + 7 + 9 = ?
Answer: ______________
87 + 4 + 3 = 4 + ?
Answer: ______________
99 + 5 = 5 + ?
Answer: ______________
106 + 5 + 4 = 5 + ?
Answer: ______________
114 + 4 + 6 = 4 + ?
Answer: ______________
129 + 3 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 10
- 4. 10
- 5. 17
- 6. 8
- 7. 19
- 8. 10
- 9. 9
- 10. 10
- 11. 10
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties